Excerpt from Methods for Lipid Analysis: An Annotated Bibliography Pigments and hydrocarbons were eluted from a column of silicic acid with hexane, sterol esters with 15% benzene in hexane, triglycerides and free fatty acids with 5% ether in hexane, free sterols with 15-20% ether in hexane, diglycerides with 30% ether in hexane, and monoglycerides with 90-100%, ether in hexane. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.